Crowds from multiple events create security challenges for investment summit, experts say

A new round of U.S. tariffs on Canadian goods took effect just after midnight on Tuesday, adding 50 per cent levies to 110 products ranging from specific cheeses to motorboats, all-terrain vehicles (ATVs) and furniture. A decision to simultaneously remove some tariffs shows that the U.S. is paying attention to which costs get passed down to the American consumer, experts say.